Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000794105 | |||
| Series S000002561 | Vanguard Intermediate-Term Bond Index Fund | ||
| Class/Contract C000007057 | Investor Shares | VBIIX | |
| Class/Contract C000007058 | Admiral Shares | VBILX | |
| Class/Contract C000024520 | Institutional Shares | VBIMX | |
| Class/Contract C000035214 | Signal Shares | VIBSX | |
| Class/Contract C000046841 | ETF Shares | BIV | |
| Class/Contract C000105308 | Institutional Plus Shares | VBIUX | |
| Status | Name | Ticker Symbol | |
| CIK 0000794105 | |||
| Series S000002562 | Vanguard Long-Term Bond Index Fund | ||
| Class/Contract C000007059 | Investor Shares | VBLTX | |
| Class/Contract C000024522 | Institutional Shares | VBLLX | |
| Class/Contract C000046842 | ETF Shares | BLV | |
| Class/Contract C000105309 | Institutional Plus Shares | VBLIX | |
| Status | Name | Ticker Symbol | |
| CIK 0000794105 | |||
| Series S000002563 | Vanguard Short-Term Bond Index Fund | ||
| Class/Contract C000007060 | Investor Shares | VBISX | |
| Class/Contract C000007061 | Admiral Shares | VBIRX | |
| Class/Contract C000035215 | Signal Shares | VBSSX | |
| Class/Contract C000046843 | ETF Shares | BSV | |
| Class/Contract C000105310 | Institutional Shares | VBITX | |
| Class/Contract C000105311 | Institutional Plus Shares | VBIPX | |
| Status | Name | Ticker Symbol | |
| CIK 0000794105 | |||
| Series S000002564 | Vanguard Total Bond Market Index Fund | ||
| Class/Contract C000007062 | Investor Shares | VBMFX | |
| Class/Contract C000007063 | Admiral Shares | VBTLX | |
| Class/Contract C000007064 | Institutional Shares | VBTIX | |
| Class/Contract C000035216 | Signal Shares | VBTSX | |
| Class/Contract C000046844 | ETF Shares | BND | |
| Class/Contract C000081425 | Institutional Plus Shares | VBMPX | |
| Status | Name | Ticker Symbol | |
| CIK 0000794105 | |||
| Series S000019554 | Vanguard Inflation-Protected Securities Fund | ||
| Class/Contract C000054349 | Investor Shares | VIPSX | |
| Class/Contract C000054350 | Admiral Shares | VAIPX | |
| Class/Contract C000054351 | Institutional Shares | VIPIX | |
| Status | Name | Ticker Symbol | |
| CIK 0000794105 | |||
| Series S000025158 | Vanguard Total Bond Market II Index Fund | ||
| Class/Contract C000075027 | Investor Shares | VTBIX | |
| Class/Contract C000075028 | Institutional Shares | VTBNX | |
IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: N-CSR | Act: 40 | File No.: 811-04681 | Film No.: 15655200
